We found 28 public water systems that could serve the same population as Pekin Community School-high School (ordered by population size).
| Name | Areas served | Population served | Contaminant count | Violation count |
|---|---|---|---|---|
| Rathbun Regional Water Assn (rathbun) | Centerville | 29,500 | 33 | 29 |
| Wapello Rural Water Assoc. | Ottumwa | 15,601 | 65 | 4 |
| Fairfield Water Supply | Fairfield | 9,509 | 0 | 17 |
| Dot District 5 | Fairfield | 500 | 0 | 0 |
| Dot District 5 | Fairfield | 500 | 0 | 0 |
| Batavia Water Works | Batavia | 499 | 0 | 8 |
| Jefferson County Rural Water District | Fairfield | 468 | 0 | 1 |
| Pekin Community School-elementary School | County of Jefferson | 431 | 0 | 0 |
| Lockridge Muni Water Supply | Lockridge | 393 | 0 | 9 |
| Libertyville Water Works | Libertyville | 315 | 0 | 3 |
| Fairfield Drive-in Theater | County of Jefferson | 187 | 0 | 0 |
| Mike's Prairie Home | Packwood | 162 | 0 | 0 |
| Dot District 5 | Fairfield | 150 | 0 | 0 |
| Fairfield Community Schools | County of Jefferson | 150 | 0 | 0 |
| Pleasant Plain Water Supply | Pleasant Plain | 131 | 0 | 0 |
| Four Corners Tavern | County of Jefferson | 75 | 0 | 0 |
| Jefferson County Care Facility | County of Jefferson | 60 | 0 | 0 |
| The Hub | County of Jefferson | 54 | 0 | 0 |
| The Playtime Club | County of Jefferson | 50 | 0 | 0 |
| Packwood Community Housing | County of Jefferson | 40 | 0 | 0 |
| Cedar Creek Quarry | County of Jefferson | 28 | 0 | 0 |
| The Office | County of Jefferson | 25 | 0 | 0 |
| Dot-5 (corydon Weigh Station) | County of Jefferson | 25 | 0 | 0 |
| Round Prairie Pk-jeff Conserva | County of Jefferson | 25 | 0 | 0 |
| Whitetail Country Estates, Llc | County of Jefferson | 25 | 0 | 0 |
| Dot-5 (grandview Weigh Sta.) | Fairfield | 25 | 0 | 0 |
| Lot-5(linger Longer Pk-lee Co) | County of Jefferson | 25 | 0 | 0 |
| Dot-5 (nichols Maint Garage) | County of Jefferson | 25 | 0 | 0 |